a granular igneous rock consisting of a mix of light and dark minerals, the former being calcic plagioclase feldspars, and the latter orthorhombic pyroxenes.
Origin of norite
Related formsnor·it·ic [naw-rit-ik] /nɔˈrɪt ɪk/, adjective
From the Norwegian
dating back to 1875–80.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for norite
Historical Examples of norite
British Dictionary definitions for norite
a variety of gabbro composed mainly of hypersthene and labradorite feldspar
Word Origin for norite
C19: from Norwegian norit, from Norge Norway + -it -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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A coarse-grained igneous rock, very similar to gabbro but containing orthopyroxene instead of clinopyroxene.
The American Heritage® Science Dictionary
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